<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <link rel="stylesheet" href="../css/index.css" />
  </head>
  <body>
    <div class="container">
      <ul class="top">
        <!-- 基础模板 -->
        <!-- <li>
      <a href="javascript:;">首页</a>
      <ul class="sub">
        <li>
          <a href="javascript:;">
            <span>砂锅厨具</span>
            <img src="https://yanxuan.nosdn.127.net/3102b963e7a3c74b9d2ae90e4380da65.png?quality=95&imageView" alt="">
          </a>
        </li>
      </ul>
    </li> -->
      </ul>
    </div>
    <script src="../axios.js"></script>
    <script>
      axios.defaults.baseURL = 'http://ajax-api.itheima.net'
      const list = document.querySelector('.top')

      async function getData() {
        const { data: res } = await axios({
          method: 'GET',
          url: '/api/category/top',
        })

        const axiosArr = res.data.map((item) => {
          return axios({
            url: `/api/category/sub?id=${item.id}`,
            method: 'GET',
          })
        })

        const subRes = await Promise.all(axiosArr)

        const html = subRes
          .map(({ data: item }) => {
            return `<li>
          <a href="javascript:;">${item.data.name}</a>
          <ul class="sub">
            ${item.data.children
              .map((item) => {
                return `
              <li>
                <a href="javascript:;">
                  <span>${item.name}</span>
                  <img src="${item.picture}" alt="">
                </a>
              </li>     
                `
              })
              .join('')}
          </ul>
        </li>`
          })
          .join('')

        list.innerHTML = html
      }

      getData()
    </script>
  </body>
</html>
